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COM128 Installation and Operation Manual Schneider Electric
1
FEATURES
•
Connects one RS-232 line to four RS-485 buses.
•
Automatic baud rate detection supporting data
rates of 1200, 2400, 4800, 9600, and 19200 baud.
• DTE or DCE operation allows connection to
computers or modems without the need for null
modem adapters.
• RS-485 transmit enable may be controlled
automatically, or by the RS-232 RTS line.
• RTS/CTS handshaking capability for use with radio
modems.
• Compatible with short-haul modems and line
drivers that are powered by the RS-232 line.
• Works directly with M-SCADA, L-SCADA
and PowerView software, or with other
proprietary software.
• Full electrical isolation between RS-232 and RS-
485 to 750 VDC
• Microprocessor control allows for future
enhancements by firmware upgrade.
COM128
TM
MULTI-PORT RS-232 TO RS-485 CONVERTER